Waterhoen (Gallinula chloropus) (1596 - 1610) by Anselmus Boëtius de Boodt https://www.rawpixel.com/image/13743575/waterhoen-gallinula-chloropus-1596-1610-anselmus-boetius-boodtFree Image from public domain licenseGallinule (Gallinula americana) from The Natural History of Carolina, Florida, and the Bahama Islands (1754) by Mark Catesby… https://www.rawpixel.com/image/414468/free-illustration-image-tropical-flower-catesbyFree Image from public domain licenseCommon Gallinule from Birds of America (1827) by John James Audubon, etched by William Home Lizars. Original from University… https://www.rawpixel.com/image/277180/free-illustration-image-audubon-birds-america-public-domain-vintageFree Image from public domain license234. Florida Gallinule (Gallinula galeata) 235. American Swan (Cygnus americanus) illustration from Zoology of New York… https://www.rawpixel.com/image/329446/free-illustration-image-swan-cygnus-zoology-new-yorkFree Image from public domain licenseCommon moorhen (gallinula chloropus) illustrated by the von Wright brothers. Digitally enhanced from our own 1929 folio… https://www.rawpixel.com/image/325895/free-illustration-image-von-wright-brothers-gallinula-chloropus-moorhenFree Image from public domain licenseRufous-vented Gallinule (Gallinula ruficrissa) illustrated by Elizabeth Gould (1804–1841) for John Gould’s (1804… https://www.rawpixel.com/image/321302/free-illustration-image-gould-illustrations-centuryFree Image from public domain licenseDusky Moorhen (Gallinula tenebrosa) illustrated by Elizabeth Gould (1804–1841) for John Gould’s (1804-1881)… https://www.rawpixel.com/image/321353/free-illustration-image-moorhen-john-gould-gallinula-gould-illustrationsFree Image from public domain licenseCommon moorhen (Gallinula chloropus) illustrated by the von Wright brothers. Digitally enhanced from our own 1929 folio… https://www.rawpixel.com/image/326022/premium-illustration-psd-gallinula-chloropus-america-ancientView license